Home / 25,773,629,572.76-35,570,705,146.81-15,612,059,287.51

Finding the Fourth Proportional to 25,773,629,572.76, 35,570,705,146.81 and 15,612,059,287.51

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Solution

The fourth proportional to 25,773,629,572.76, 35,570,705,146.81 and 15,612,059,287.51 is: 21,546,517,384.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,773,629,572.76 : 35,570,705,146.81 = 15,612,059,287.51 : x
  2. Step 2: Convert to fraction form
    25,773,629,572.76/35,570,705,146.81 = 15,612,059,287.51/x
  3. Step 3: Cross multiply
    25,773,629,572.76x = 35,570,705,146.81 × 15,612,059,287.51
  4. Step 4: Simplify right side
    25,773,629,572.76x = 555,331,957,650,550,423,552
  5. Step 5: Solve for x
    x = 555,331,957,650,550,423,552/25,773,629,572.76
  6. Step 6: Final answer
    x = 21,546,517,384.47

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Find fourth proportional to 12,886,814,786.38, 17,785,352,573.41 and 7,806,029,643.76
Half scale
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Double scale
Find fourth proportional to 25,773,629,573.76, 35,570,705,148.19 and 15,612,059,288.51
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.